20085087320

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1774301}}^1$

素因数の和:1774595

約数の個数: 32

約数和(自身を含む): 45351159120

約数和(自身を除く): 25266071800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 566, 1132, 1415, 2264, 2830, 5660, 11320, 1774301, 3548602, 7097204, 8871505, 14194408, 17743010, 35486020, 70972040, 502127183, 1004254366, 2008508732, 2510635915, 4017017464, 5021271830, 10042543660, 20085087320]

約数ペア:

[(1, 20085087320), (2, 10042543660), (4, 5021271830), (5, 4017017464), (8, 2510635915), (10, 2008508732), (20, 1004254366), (40, 502127183), (283, 70972040), (566, 35486020), (1132, 17743010), (1415, 14194408), (2264, 8871505), (2830, 7097204), (5660, 3548602), (11320, 1774301)]